Does COS run large?
COS runs large. Most shoppers size down from their usual size, especially in tops. Minimalist Scandi, runs large with generous, architectural silhouettes Check the category notes below for tops, bottoms, and outerwear specifically.
COS generally runs large.
COS uses generous, architectural fit blocks inspired by Scandinavian minimalism. Their oversized pieces are designed to drape, so stay true to size for the intended look.
Confidence: High, based on official size chart and shopper sentiment
Sizing overview
Most shoppers try one size down first. Use the notes below to see where COS feels slimmer, roomier, or more consistent across categories.
COS runs large. Runs large. Relaxed, drapey cuts, size down one for a closer fit.
Plain-language cut notes and examples below show where pieces usually feel closer, roomier, or most predictable.
GENERAL BRAND GUIDANCE
This is a general brand-level sizing summary, not an exact product recommendation. For your specific size, paste a product link into the fit checker.
COS runs large. Minimalist Scandi, runs large with generous, architectural silhouettes
How to read COS sizing
Sizing tendency
Most shoppers try one size down first.
Consistency
Low variation across categories.
Best check
Start with the category note, then check whether the cut is meant to feel structured or relaxed.
Variability and caveats
When COS can feel different from the usual sizing tendency
Cut
Relaxed cuts usually add ease, so they can feel roomier than the brand’s baseline.
Fabric stretch
Fabric stretch changes how strongly the sizing tendency shows up: more give softens it, less give makes it more obvious.
Styling
This brand is fairly consistent, but styling can still shift the feel when a piece is meant to be sharply fitted or deliberately oversized.
COS Sizing by Category
Runs large. Relaxed, drapey cuts, size down one for a closer fit.
What to expect
Expect tops to come with extra ease, especially in softer or oversized pieces.
True to size. Wide-leg styles are intentionally roomy.
What to expect
Expect bottoms to follow the label fairly closely unless the piece is intentionally oversized or sharply tailored.
Runs large. Architectural volume, size down one.
What to expect
Expect dresses to come with extra ease, especially in softer or oversized pieces.
Runs large. Oversized by design, size down one for a standard fit.
What to expect
Expect outerwear to come with extra ease, especially in softer or oversized pieces.
How does COS sizing compare to other brands?
COS runs large. Compared to similar brands shoppers frequently compare against:
Compare Brands
Common questions about COS sizing
Does COS run large?
COS runs large. Minimalist Scandi, runs large with generous, architectural silhouettes Most shoppers try one size down first.
What size am I in COS if I wear a Medium?
If you wear a Medium in standard contemporary sizing, try a Small at COS first, especially in softer or relaxed pieces. Fit can vary across tops, bottoms, dresses, and outerwear, so confirm against the specific category you are shopping.
Does COS fit differently by category?
Yes. Fit varies by category at COS, covering tops, bottoms, dresses, and outerwear, since the same brand often cuts tops and outerwear to different proportions.
Is COS's size chart accurate?
COS publishes an official size chart, and ThisFits cross-references it against real shopper fit reports. COS shows low variation across categories, so the chart is a reliable starting point with adjustments based on cut.
What if I'm between sizes at COS?
Since COS tends to run large, sizing down usually means fewer returns when you are between sizes, especially for relaxed silhouettes.
How does COS sizing compare to other brands?
COS sizes similarly to Gap and Free People, many customers prefer to size down. Shoppers commonly compare COS against other contemporary labels in the same category to translate sizes between brands they already wear.
Can I return COS items if the size is wrong?
COS typically accepts returns on unworn items with tags within the window stated on the order page or receipt. Policies vary by retailer and third-party sellers may differ, so confirm before ordering.